Asustor AS5402T
Score: 82/100
Synology DS925+
Score: 85/100Rankings
The DS925+ is a powerful 4-bay NAS aimed at prosumers and small businesses, offering an AMD Ryzen CPU, dual 2.5 GbE networking, SSD caching and extensive DSM features, though it lacks native 10 GbE and enforces a Synology-only drive policy.
The Asustor AS5402T is a high-performance 2-bay NAS with quad-core processing, dual 2.5 GbE, four M.2 NVMe slots and HDMI output, aimed at creators and small offices.
| Attribute | | |
|---|---|---|
48 TB | 200 TBbest | |
2 | 4best | |
2.5 Gbpsbest | 2.5 Gbpsbest | |
4best | 4best | |
4 GBbest | 4 GBbest | |
| ↓ lower better | 22.9 Wbest | 37.91 W |
| ↓ lower better | 18.6 dBbest | 20.5 dB |
3 yearsbest | 3 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Security(1) | ||
OS Compatibility | ADM | DSM 7.2 |
Performance(3) | ||
CPU Model | Intel Celeron N5105 | AMD Ryzen V1500B |
Power Consumption (Active) (W) | 22.9 W | 37.91 W |
Noise Level (dB) | 18.6 dB | 20.5 dB |
Build & Design(2) | ||
Weight (kg) | 1.6 kg | 2.26 kg |
Power Supply Type | External 65W | 100-120W adaptive |
Storage & Capacity(4) | ||
Maximum Raw Capacity (TB) | 48 TB | 200 TB |
Drive Bays | 2 | 4 |
RAID Support | RAID 0, RAID 1, JBOD, Single | Synology Hybrid RAID,Basic,JBOD,RAID 0,RAID 1,RAID 5,RAID 6,RAID 10 |
Supported Drive Types | 3.5" and 2.5" SATA HDD/SSD | 3.5" SATA HDD,2.5" SATA SSD,M.2 2280 NVMe SSD |
Products in the top-left offer the best value (high score, low price).
Professional reviewers award it Editors' Choice for speed and expandability, noting the lack of RAID 5/6 and plastic housing as minor drawbacks.
Users praise the fast 4K streaming, M.2 flexibility and quiet design, while complaining about missing RAID 5 and the plastic exterior.
Professional reviewers praise the DS925+ for its powerful AMD Ryzen processor, dual 2.5 GbE networking, and flexible SSD caching, noting enterprise-grade performance in a compact form factor, while criticizing the loss of 10 GbE and strict drive ecosystem.
Everyday users appreciate fast file transfers, quiet operation, and the ease of DSM, but some are disappointed by the locked-down drive ecosystem and lack of 10 GbE for future-proofing.
“Up to 245 MB/s write and 222 MB/s read over 2.5 GbE - exceptional transfer speeds”
“The HDMI 2.0b output lets me play 4K HDR directly on my TV”
“Tool-free, hot-swappable drive bays make upgrades painless”
